package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

/*
* 在DML语句中使用预编译SQL
* */
public class JDBCDemo8 {
    public static void main(String[] args) {
        UserInfo userInfo = InputUtil
                           .getInputObject(new UserInfo(),
                                   "欢迎注册",
                                   "注册");

        try (
                Connection connection =DBUtil.getConnection();
                ){
            String sql="INSERT INTO userinfo(username,password,nickname,age) "+
                       "VALUES(?,?,?,?)";

            PreparedStatement ps = connection.prepareStatement(sql);
            ps.setString(1,userInfo.getUsername());
            ps.setString(2,userInfo.getPassword());
            ps.setString(3,userInfo.getNickname());
            ps.setInt(4,userInfo.getAge());
            int num = ps.executeUpdate();
            if (num>0){
                System.out.println("注册成功");
            }else {
                System.out.println("注册失败");
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}
